From: "H. Peter Anvin" <hpa@zytor.com>
To: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: Borislav Petkov <bp@alien8.de>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
mingo@kernel.org, tglx@linutronix.de
Subject: Re: [PATCH 1/2] add helper for highmem checks
Date: Mon, 11 Feb 2013 10:09:57 -0800 [thread overview]
Message-ID: <511933F5.9000902@zytor.com> (raw)
In-Reply-To: <51192B39.9060501@linux.vnet.ibm.com>
On 02/11/2013 09:32 AM, Dave Hansen wrote:
> On 02/09/2013 02:47 AM, Borislav Petkov wrote:
>> On Sat, Feb 09, 2013 at 10:41:21AM +0100, Borislav Petkov wrote:
>> With this change, they definitely fix something because I even get X on
>> the box started. Previously, it would spit out the warning and wouldn't
>> start X with the login window. And my suspicion is that wdm (WINGs
>> display manager) I'm using, does /dev/mem accesses when it starts and it
>> obviously failed. Now not so much :-)
>
> That's crazy. Didn't expect that at all.
>
> I guess X is happier getting an error than getting random pages back.
> I'm working on a set of patches now that should get it _working_ instead
> of just returning an error.
>
Awesome :)
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
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WARNING: multiple messages have this Message-ID (diff)
From: "H. Peter Anvin" <hpa@zytor.com>
To: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: Borislav Petkov <bp@alien8.de>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
mingo@kernel.org, tglx@linutronix.de
Subject: Re: [PATCH 1/2] add helper for highmem checks
Date: Mon, 11 Feb 2013 10:09:57 -0800 [thread overview]
Message-ID: <511933F5.9000902@zytor.com> (raw)
In-Reply-To: <51192B39.9060501@linux.vnet.ibm.com>
On 02/11/2013 09:32 AM, Dave Hansen wrote:
> On 02/09/2013 02:47 AM, Borislav Petkov wrote:
>> On Sat, Feb 09, 2013 at 10:41:21AM +0100, Borislav Petkov wrote:
>> With this change, they definitely fix something because I even get X on
>> the box started. Previously, it would spit out the warning and wouldn't
>> start X with the login window. And my suspicion is that wdm (WINGs
>> display manager) I'm using, does /dev/mem accesses when it starts and it
>> obviously failed. Now not so much :-)
>
> That's crazy. Didn't expect that at all.
>
> I guess X is happier getting an error than getting random pages back.
> I'm working on a set of patches now that should get it _working_ instead
> of just returning an error.
>
Awesome :)
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
next prev parent reply other threads:[~2013-02-11 18:10 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-08 20:28 [PATCH 1/2] add helper for highmem checks Dave Hansen
2013-02-08 20:28 ` Dave Hansen
2013-02-08 20:28 ` [PATCH 2/2] make /dev/kmem return error for highmem Dave Hansen
2013-02-08 20:28 ` Dave Hansen
2013-02-08 20:48 ` H. Peter Anvin
2013-02-08 20:48 ` H. Peter Anvin
2013-02-08 20:50 ` [PATCH 1/2] add helper for highmem checks H. Peter Anvin
2013-02-08 20:50 ` H. Peter Anvin
2013-02-08 23:16 ` Dave Hansen
2013-02-08 23:16 ` Dave Hansen
2013-02-09 9:41 ` Borislav Petkov
2013-02-09 9:41 ` Borislav Petkov
2013-02-09 10:47 ` Borislav Petkov
2013-02-09 10:47 ` Borislav Petkov
2013-02-11 17:32 ` Dave Hansen
2013-02-11 17:32 ` Dave Hansen
2013-02-11 18:09 ` H. Peter Anvin [this message]
2013-02-11 18:09 ` H. Peter Anvin
2013-02-11 18:28 ` Borislav Petkov
2013-02-11 18:28 ` Borislav Petkov
2013-02-11 19:44 ` H. Peter Anvin
2013-02-11 19:44 ` H. Peter Anvin
2013-02-11 22:34 ` Borislav Petkov
2013-02-11 22:34 ` Borislav Petkov
2013-02-11 22:46 ` H. Peter Anvin
2013-02-11 22:46 ` H. Peter Anvin
2013-02-11 23:00 ` Borislav Petkov
2013-02-11 23:00 ` Borislav Petkov
2013-02-11 23:02 ` H. Peter Anvin
2013-02-11 23:02 ` H. Peter Anvin
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